DIMENSIONS
DIMENSIONS & PROPERTIES - Steel & Tube
DIMENSIONS & PROPERTIES - Steel & Tube
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Coil<br />
COIL<br />
products<br />
Galvanised: AS/NZS 1397 G 250, Jis G 3302 SGcc/SGHC Z27<br />
The following information relates to AS/NZS 1397:1993<br />
Hot Rolled: AS 1594/HA250 (2.00 and 2.50mm)<br />
Description: Hot rolled,hot dipped zinc coated sheet<br />
Description: Hot rolled steel sheet<br />
Surface 100% zinc coated with regular spangle and a typical<br />
Finish: coating mass of 275g/m 2 equivalent to Z275. 400g/m 2 and<br />
600g/m 2 coating weight mass also available<br />
Applications: Roofing,cladding,drums and tubes, purlins, girts, air<br />
conditioning, culverts, sheet metal work, concrete forming<br />
work<br />
Typical Dimensions<br />
Chemical Composition %<br />
Surface Mill finished steel sheet suitable for forming and bending<br />
Finish: with good ductility and weldability<br />
Applications: Roofing, cladding, rainwater goods, purlins, girts, air<br />
conditioning, garage doors<br />
Chemical Composition %<br />
Typical Dimensions<br />
Element Maximum<br />
Size Thickness<br />
Relevant<br />
standard:<br />
Size Thickness<br />
2400 x 900 0.40<br />
2400 x 900 0.55<br />
2400 x 900 0.75<br />
2400 x 900 0.95<br />
2400 x 1200 0.40<br />
2400 x 1200 0.55<br />
2400 x 1200 0.75<br />
2400 x 1200 0.95<br />
2400 x 1200 1.15<br />
2400 x 1200 1.55<br />
2400 x 1200 2.00<br />
2400 x 1200 2.50<br />
2400 x 1200 3.00<br />
3000 x 1200 3.00<br />
3000 x 1500 0.55<br />
3000 x 1500 0.75<br />
3000 x 1500 0.95<br />
3660 x 1200 0.55<br />
Element Maximum<br />
Carbon 0.12<br />
Silicon –<br />
Manganese 0.50<br />
Sulphur 0.035<br />
Phosphorus 0.03<br />
Mechanical Properties<br />
Longitudinal tensile Specified - Minimum<br />
Proof stress/Yield point 250<br />
Tensile (MPa) 320<br />
% Elongation* 25<br />
HRB Hardness •<br />
* Lo = 50mm<br />
Note: • not specified in the standard.<br />
Carbon 0.20<br />
Silicon 0.35<br />
2438 x 1219 2.00<br />
2438 x 1219 2.50<br />
AS 1594/<br />
HA 250<br />
Manganese 1.20<br />
Sulphur 0.03<br />
Phosphorus 0.04<br />
Chromium (Note 1)<br />
Nickel (Note 1)<br />
Copper (Note 1)<br />
Aluminium 0.10<br />
Titanium 0.04<br />
Micro-alloying 0.01 (Note 2)<br />
elements<br />
Note:<br />
1. The following elements may be present to<br />
the limits stated, subject to a maximum<br />
total content of 0.30 percent:<br />
(a) Copper: 0.15 percent maximum<br />
(b) Nickel: 0.15 percent maximum<br />
(c) Chromium: 0.15 percent maximum<br />
(d) Molybdenum: 0.05 percent maximum<br />
2. Applies to Niobium and Vanadium only.<br />
Mechanical Properties<br />
Specified - Minimum<br />
Longitudinal tensile<br />
HA250<br />
Proof stress/Yield point 250<br />
Tensile (MPa) 350<br />
% Elongation 22*<br />
HRB Hardness •<br />
* Lo = 50mm<br />
Note: • not specified in the standard.<br />
36<br />
Dimensions and Properties Handbook
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